JP2020510828A - 多層構造核燃料被覆管及び多層構造核燃料被覆管の製造方法 - Google Patents
多層構造核燃料被覆管及び多層構造核燃料被覆管の製造方法 Download PDFInfo
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- JP2020510828A JP2020510828A JP2019546909A JP2019546909A JP2020510828A JP 2020510828 A JP2020510828 A JP 2020510828A JP 2019546909 A JP2019546909 A JP 2019546909A JP 2019546909 A JP2019546909 A JP 2019546909A JP 2020510828 A JP2020510828 A JP 2020510828A
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- tube
- nuclear fuel
- inner tube
- outer tube
- spare
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005253 cladding Methods 0.000 title claims abstract description 127
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 229910001093 Zr alloy Inorganic materials 0.000 claims abstract description 32
- 150000002739 metals Chemical class 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 44
- 239000000945 filler Substances 0.000 claims description 32
- 239000011241 protective layer Substances 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 11
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical group 0.000 claims description 10
- 238000004381 surface treatment Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 150000004767 nitrides Chemical class 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 238000005121 nitriding Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 5
- 230000004992 fission Effects 0.000 description 46
- 238000006243 chemical reaction Methods 0.000 description 21
- 239000000498 cooling water Substances 0.000 description 17
- 238000007254 oxidation reaction Methods 0.000 description 17
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 15
- 229910052726 zirconium Inorganic materials 0.000 description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 14
- 239000001257 hydrogen Substances 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 14
- 230000008602 contraction Effects 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000004880 explosion Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000012857 radioactive material Substances 0.000 description 3
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
- G21C3/07—Casings; Jackets characterised by their material, e.g. alloys
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
- G21C3/20—Details of the construction within the casing with coating on fuel or on inside of casing; with non-active interlayer between casing and active material with multiple casings or multiple active layers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C16/00—Alloys based on zirconium
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
- G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
Description
Zr+2H2O→ZrO2+2H2
原子核+中性子→核分裂生成物(放射性物質)+2〜3個の中性子+熱エネルギー
Claims (15)
- 両端が開口されて内部に核燃料焼結体が挿入される収容空間が与えられるジルコニウム合金の内管と、
前記内管と同軸に配置され、前記内管の外表面を取り囲むように前記内管よりも大きな直径を有する外管と、
を備え、
前記外管と内管は、互いに密着固定され、互いに異なる金属から形成される多層構造核燃料被覆管。 - 前記外管を形成する金属は、1ppm/K〜40ppm/Kの熱膨張係数を有する請求項1に記載の多層構造核燃料被覆管。
- 前記外管を形成する金属は、0.0045barn〜440barnの熱中性子吸収断面積を有する請求項1に記載の多層構造核燃料被覆管。
- 前記外管は、前記内管よりも軟性が大きい請求項1に記載の多層構造核燃料被覆管。
- 前記外管は、前記外管の外表面に配設される保護層を備える請求項1に記載の多層構造核燃料被覆管。
- 前記保護層は、前記外管を形成する金属の金属酸化物または金属窒化物である請求項5に記載の多層構造核燃料被覆管。
- 核燃料焼結体が挿入される収容空間が与えられるジルコニウム合金の予備内管を前記予備内管よりも大きな直径を有する予備外管内に挿入し、前記予備内管内に充填材を充填して予備被覆管を形成する過程と、
前記予備被覆管の開口された両端部を遮断部材により閉塞する過程と、
前記予備被覆管の外側から内側へと圧力を加えて前記予備被覆管の直径を縮径させる過程と、
を含み、
前記予備外管及び前記予備内管は、互いに異なる金属から形成される多層構造核燃料被覆管の製造方法。 - 前記予備外管を形成する金属は、0.0045barn〜440barnの熱中性子吸収断面積を有する請求項7に記載の多層構造核燃料被覆管の製造方法。
- 前記予備外管を形成する金属は、1ppm/K〜40ppm/Kの熱膨張係数を有する請求項7に記載の多層構造核燃料被覆管の製造方法。
- 前記予備外管は、前記予備内管よりも軟性が大きい請求項7に記載の多層構造核燃料被覆管の製造方法。
- 前記圧力を加える過程後に、
前記予備内管内の充填材を溶解させる過程をさらに含む請求項7に記載の多層構造核燃料被覆管の製造方法。 - 前記充填材を溶解させる過程後に、
前記予備外管と予備内管が密着固定されて製造される外管の外表面に保護層を形成する過程をさらに含む請求項11に記載の多層構造核燃料被覆管の製造方法。 - 前記保護層は、プラズマ表面処理により前記外管を構成する金属が酸化または窒化されて形成される請求項12に記載の多層構造核燃料被覆管の製造方法。
- 前記圧力を加える過程は、
前記予備被覆管の長手方向に互いに離間して配置される複数のロールユニットのそれぞれの離間距離が段階的に減少した複数のロールの間に前記予備被覆管を移動させて、前記予備被覆管の内側に加えられる圧力が次第に増加する請求項7に記載の多層構造核燃料被覆管の製造方法。 - 前記圧力を加える過程において、
前記予備外管は、前記予備内管よりも大きく収縮されて前記予備内管と互いに密着固定される請求項7に記載の多層構造核燃料被覆管の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0049971 | 2017-04-18 | ||
KR1020170049971A KR101941673B1 (ko) | 2017-04-18 | 2017-04-18 | 다층구조 핵연료 피복관 및 다층구조 핵연료 피복관의 제조방법 |
PCT/KR2018/004435 WO2018194343A1 (ko) | 2017-04-18 | 2018-04-17 | 다층구조 핵연료 피복관 및 다층구조 핵연료 피복관의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020510828A true JP2020510828A (ja) | 2020-04-09 |
JP6880217B2 JP6880217B2 (ja) | 2021-06-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019546909A Active JP6880217B2 (ja) | 2017-04-18 | 2018-04-17 | 多層構造核燃料被覆管の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20200118697A1 (ja) |
JP (1) | JP6880217B2 (ja) |
KR (1) | KR101941673B1 (ja) |
WO (1) | WO2018194343A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3680917B1 (en) * | 2019-01-14 | 2023-10-04 | Westinghouse Electric Sweden AB | A cladding tube for a fuel rod for nuclear reactors |
TWI750805B (zh) * | 2019-09-13 | 2021-12-21 | 美商西屋電器公司 | 核燃料護套管及用於製成核燃料護套之方法 |
KR102322805B1 (ko) * | 2020-01-23 | 2021-11-10 | 가천대학교 산학협력단 | 다층구조 핵연료 피복관 제조방법 |
US11935661B2 (en) * | 2020-10-12 | 2024-03-19 | Bwxt Nuclear Energy, Inc. | Cermet fuel element and fabrication and applications thereof, including in thermal propulsion reactor |
KR102423427B1 (ko) * | 2020-11-20 | 2022-07-21 | 한국가스안전공사 | 고압수소 저장 압력용기 |
CN114752749B (zh) * | 2022-04-18 | 2023-02-28 | 西安交通大学 | 一种提高包壳材料在快中子辐照环境中耐受能力的方法 |
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-
2017
- 2017-04-18 KR KR1020170049971A patent/KR101941673B1/ko active IP Right Grant
-
2018
- 2018-04-17 WO PCT/KR2018/004435 patent/WO2018194343A1/ko active Application Filing
- 2018-04-17 US US16/489,693 patent/US20200118697A1/en not_active Abandoned
- 2018-04-17 JP JP2019546909A patent/JP6880217B2/ja active Active
-
2023
- 2023-07-13 US US18/221,854 patent/US20230360811A1/en active Pending
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JPH10510005A (ja) * | 1994-12-01 | 1998-09-29 | フラマトーム | 不動態化可能金属又は合金の基板を酸化層でコーティングするためのプロセス、及び酸化物層でコーティングされた燃料組立体被着層及び案内管及びスペーサグリッド |
US6033493A (en) * | 1994-12-01 | 2000-03-07 | Framatome | Process for coating a passivatable metal or alloy substrate with an oxide layer, and fuel assembly cladding and guide tubes and spacer grid coated with an oxide layer |
JPH10273746A (ja) * | 1997-01-28 | 1998-10-13 | Sumitomo Metal Ind Ltd | 冷間加工性と耐食性に優れたジルコニウム合金、この合金を用いた核燃料被覆用二重管およびその製造方法 |
JP2001158928A (ja) * | 1999-09-22 | 2001-06-12 | Toshiba Corp | 高純度ジルコニウム合金および原子炉炉心用構造材 |
WO2002024366A1 (fr) * | 2000-09-25 | 2002-03-28 | Nakayama Corporation | Procede permettant de former un rouleau lamine a froid a diametre decroissant pour un tuyau metallique et tuyau metallique obtenu au moyen de ce procede |
JP2008026182A (ja) * | 2006-07-21 | 2008-02-07 | Global Nuclear Fuel-Japan Co Ltd | 高燃焼度用燃料被覆管およびその製造方法 |
KR101595436B1 (ko) * | 2014-09-23 | 2016-02-19 | 한국원자력연구원 | 다층구조 핵연료 피복관 및 이의 제조방법 |
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US20230360811A1 (en) | 2023-11-09 |
KR101941673B1 (ko) | 2019-01-23 |
US20200118697A1 (en) | 2020-04-16 |
JP6880217B2 (ja) | 2021-06-02 |
KR20180116972A (ko) | 2018-10-26 |
WO2018194343A1 (ko) | 2018-10-25 |
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